CN217926472U

CN217926472U - Noise reduction shell for hydropower station centrifugal pump

Info

Publication number: CN217926472U
Application number: CN202221666564.5U
Authority: CN
Inventors: 皮明峰; 王远方; 郑刚; 姚五松; 张文明
Original assignee: Toshiganhe Hydropower Branch Of Huaneng Xinjiang Energy Development Co ltd
Current assignee: Toshiganhe Hydropower Branch Of Huaneng Xinjiang Energy Development Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-29
Anticipated expiration: 2032-06-30

Abstract

The utility model provides a power station centrifugal pump is with making an uproar shell of falling relates to the equipment field of making an uproar of falling of centrifugal pump. The buffering is offset only to the vibrations that centrifugal pump during operation produced to tradition, has reduced the production of noise, but still has the production and the propagation of noise, the utility model discloses a: the pump comprises a shell and a pump body, wherein the bottom of the inner wall of the shell is fixedly connected with a bottom plate, the top of the bottom plate is slidably connected with a mounting plate, the pump body is detachably connected with the mounting plate, the output end of the pump body penetrates through the shell, the top of the inner wall of the shell is provided with a connecting plate, and the bottom of the connecting plate is fixedly connected with noise reduction cotton. The utility model discloses following profitable technological effect has: the utility model is simple in operation, convenient to use can effectually carry out the shock attenuation buffering to the pump body, and effectual its security of assurance when effectual its noise that reduces produced avoids appearing the condition of damage, can effectually carry out the separation and offset to the noise that pump body during operation produced simultaneously, and the effectual pump body during operation of avoiding produces the condition that great noise influences the surrounding environment.

Description

Noise reduction shell for hydropower station centrifugal pump

Technical Field

The utility model relates to an equipment field of making an uproar falls in the centrifugal pump especially relates to a power station centrifugal pump is with making an uproar shell of falling.

Background

The centrifugal pump is a pump for conveying liquid by centrifugal force generated when an impeller rotates, and the centrifugal pump comprises a shell and a damping mechanism, wherein the top of two sides of an inner cavity of the shell is provided with a first sliding groove, the inner cavity of the first sliding groove is connected with a first sliding block in a sliding manner, the inner side of the first sliding block is fixedly connected with a fixing plate, and the top of the fixing plate is provided with a centrifugal pump body.

The use of damper is passed through to above-mentioned patent, be convenient for at the in-process of centrifugal pump work, transversely cushion its violent vibrations, use through damping spring, be convenient for carry out vertical buffering to violent vibrations at the in-process of centrifugal pump work, thereby the noise that the centrifugal pump during operation produced has been reduced, but it is only to offset the buffering to the vibrations that the centrifugal pump during operation produced, the production of noise has been reduced, but still there is the production and the propagation of noise, there is not fine noise to the centrifugal pump during operation production to carry out the separation and eliminate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that exists among the background art, provide a power station centrifugal pump is with making an uproar shell of falling.

The technical scheme of the utility model: 1. a noise reduction shell for a hydropower station centrifugal pump comprises a shell (1) and a pump body (2), wherein the shell (1) is connected with a bottom plate (4), the bottom plate (4) is connected with a mounting plate (5), the pump body (2) is detachably connected with the mounting plate (5), the output end of the pump body (2) penetrates through the shell (1), the shell (1) is provided with a connecting plate (12), the connecting plate (12) is connected with noise reduction cotton (13), and a sound insulation cotton layer (3) is arranged in the shell (1); bottom plate (4) are connected with damping rod (10), every damping rod (10) all are connected with mounting panel (5), every damping rod (10) all overlap there is spring (11).

The noise reduction shell for the hydropower station centrifugal pump is characterized in that a mounting ring (6) is connected in the shell (1), buffer columns (7) are connected in the mounting ring (6), each buffer column (7) is connected with a buffer rod (8), and each buffer rod (8) is connected with a clamping ring (9); every buffer rod (8) is connected with driving plate (17), every driving plate (17) is connected with No. three spring (18), every No. three spring (18) are connected with corresponding cushion column (7).

Each clamping ring (9) is connected with a protective base plate (16); the connecting plate (12) is connected with sliding rods (14), and a second spring (15) is sleeved outside each sliding rod (14).

Has the advantages that:

the utility model is simple in operation, convenient to use can effectually carry out the shock attenuation buffering to the pump body, and effectual its security of assurance when effectual its noise that reduces produced avoids appearing the condition of damage, can effectually carry out the separation and offset to the noise that pump body during operation produced simultaneously, and the effectual pump body during operation of avoiding produces the condition that great noise influences the surrounding environment.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a noise reduction casing for a hydropower station centrifugal pump according to the present invention;

FIG. 2 is a schematic view of a front view connection structure of the collar of FIG. 1;

fig. 3 is a schematic cross-sectional view of the buffer column of fig. 2.

Reference numerals: 1. a housing; 2. a pump body; 3. a sound-insulating cotton layer; 4. a base plate; 5. mounting a plate; 6. a mounting ring; 7. a buffer column; 8. a buffer rod; 9. a clamping ring; 10. a damping lever; 11. a first spring; 12. a connecting plate; 13. noise reduction cotton; 14. a slide bar; 15. a second spring; 16. a protective backing plate; 17. a drive plate; 18. and a third spring.

Detailed Description

The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1, the utility model provides a power station centrifugal pump is with making an uproar shell of falling, including the casing 1 and the pump body 2, 1 inner wall bottom fixedly connected with bottom plate 4 of casing, 4 top sliding connection of bottom plate have mounting panel 5, and the pump body 2 is dismantled with mounting panel 5 and is connected, and 2 output ends of the pump body run through casing 1, and 1 inner wall top of casing is provided with connecting plate 12, and the cotton 13 of making an uproar falls in 12 bottom fixedly connected with of connecting plate, 1 inner wall fixedly connected with soundproof cotton layer 3 of casing.

The working principle based on the first embodiment is as follows: through making an uproar cotton 13 is effectual in the pump body 2 working process of making an uproar amortization of making an uproar to it, the effectual pump body 2 of avoiding produces the condition that great noise caused the influence to the surrounding environment, simultaneously through the further transmission of offsetting and preventing the noise of sound insulation surface course 3, further assurance the result of use of equipment.

Example two

As shown in fig. 1, on the basis of embodiment one, the utility model provides a power station centrifugal pump is with making an uproar shell of falling, a plurality of damping rods 10 of 4 inner wall bottom fixedly connected with of bottom plate, every damping rod 10 top all with mounting panel 5 bottom fixed connection, every damping rod 10 outside all the cover is equipped with spring 11.

The working principle is as follows: through damping rod 10 and the effectual pump body 2 to mounting panel 5 and above that carry out the shock attenuation buffering of a spring 11, the stability of its during operation of effectual assurance, effectual improvement its security when avoiding it to appear great vibrations noise production, the condition of avoiding pump body 2 to receive great vibrations to cause the damage is avoided.

EXAMPLE III

As shown in fig. 1-2, on the basis of embodiment one, the utility model provides a power station centrifugal pump is with making an uproar shell of falling, 1 inner wall of casing is close to 2 output one sides fixedly connected with collar 6 of the pump body, and a plurality of buffering posts 7 of 6 inside wall fixedly connected with of collar, and every buffering post 7 is kept away from 6 one end equal sliding connection of collar and is had buffer beam 8, and every buffer beam 8 is kept away from and is corresponded the equal fixedly connected with clamp ring 9 of 7 one end of buffering post.

The working principle is as follows: can effectually press from both sides tightly spacing to the output pipeline of the pump body 2 through clamp ring 9, carry out spacing protection to it through buffer beam 8 and buffering post 7 simultaneously, the effectual too big condition that causes vibrations noise generation and even damage of avoiding water flow to strike.

Example four

As shown in fig. 1-3, on the basis of embodiment three, the utility model provides a power station centrifugal pump is with making an uproar shell of falling, every buffer beam 8 is close to corresponding buffer column 7 one end and all runs through corresponding buffer column 7 and fixedly connected with driving plate 17, and every driving plate 17 keeps away from corresponding buffer column 8 one side equal fixedly connected with No. three spring 18, and every No. three spring 18 keeps away from corresponding driving plate 17 one end all with corresponding buffer column 7 inner wall fixed connection.

The working principle is as follows: through the transmission of No. three springs 18 and driving plate 17 can effectually cushion protection to buffer beam 8 and the spacing clamp ring 9 that correspond, effectually cushion protection, the effectual result of use of guaranteeing equipment to the 2 output pipelines of the pump body.

EXAMPLE five

As shown in fig. 2-3, based on the third embodiment, the utility model provides a power station centrifugal pump is with making an uproar shell of falling, every clamp ring 9 is kept away from corresponding buffer beam 8 one side equal fixedly connected with protection backing plate 16.

The working principle is as follows: the clamping effect of the corresponding clamping ring 9 and the pipeline at the output end of the pump body 2 can be effectively improved through the protective base plate 16.

EXAMPLE six

As shown in fig. 1, on the basis of embodiment one, the utility model provides a power station centrifugal pump is with making an uproar shell of falling, a plurality of slide bars 14 of connecting plate 12 top fixedly connected with, every slide bar 14 outside all overlaps and is equipped with No. two springs 15.

The working principle is as follows: the connecting plate 12 is extruded through the second spring 15, so that the connecting plate 12 and the noise reduction cotton 13 are limited on the pump body 2 for noise reduction treatment, and when the pump body 2 needs to be disassembled, the sliding rod 14 is pulled upwards to drive the connecting plate 12 and the noise reduction cotton 13 to move upwards.

The above embodiments are merely some preferred embodiments of the present invention, and many alternative modifications and combinations can be made to the above embodiments by those skilled in the art based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a power station is shell of making an uproar falls for centrifugal pump, includes casing (1) and pump body (2), its characterized in that: the noise reduction device is characterized in that the shell (1) is connected with a bottom plate (4), the bottom plate (4) is connected with a mounting plate (5), the pump body (2) is detachably connected with the mounting plate (5), the output end of the pump body (2) penetrates through the shell (1), the shell (1) is provided with a connecting plate (12), the connecting plate (12) is connected with noise reduction cotton (13), and a soundproof cotton layer (3) is arranged in the shell (1); the bottom plate (4) is connected with damping rod (10), every damping rod (10) all are connected with mounting panel (5), every damping rod (10) all overlap there is spring (11).

2. The noise reduction housing for a hydropower station centrifugal pump according to claim 1, characterized in that a mounting ring (6) is connected in the housing (1), a damping post (7) is connected in the mounting ring (6), each damping post (7) is connected with a damping rod (8), and each damping rod (8) is connected with a clamping ring (9); every buffer rod (8) is connected with driving plate (17), every driving plate (17) is connected with No. three spring (18), every No. three spring (18) are connected with corresponding cushion column (7).

3. A noise reduction housing for a centrifugal pump for a hydropower station according to claim 2, characterized in that each clamp ring (9) is connected with a protective backing plate (16); the connecting plate (12) is connected with sliding rods (14), and a second spring (15) is sleeved outside each sliding rod (14).